
How can I determine a Python variable's type? - Stack Overflow
Python doesn't have such types as you describe. There are two types used to represent integral values: int, which corresponds to platform's int type in C, and long, which is an arbitrary precision integer (i.e. …
python - Immutable vs Mutable types - Stack Overflow
Nov 9, 2011 · Mutable types can be changed in place. Immutable types can not change in place. That's the way python sees the world. It is regardless of how variables are passed to functions.
How to set the python type hinting for a dictionary variable?
Oct 1, 2018 · User-defined types are typically pascal case. Python likely derived this naming scheme from C or C++. In C structs are typically lower case (though there are a lot of people that use pascal …
How to specify multiple types using type-hints - Stack Overflow
I have a function in python that can either return a bool or a list. Is there a way to specify the types using type hints? For example, is this the correct way to do it? def foo (id) -> list or b...
python - Using List/Tuple/etc. from typing vs directly referring type ...
Sep 12, 2016 · From Python 3.9 (PEP 585) onwards tuple, list and various other classes are now generic types. Using these rather than their typing counterpart is now preferred.
What's the canonical way to check for type in Python?
Aug 3, 2014 · In Python, you can use the built-in isinstance() function to check if an object is of a given type, or if it inherits from a given type. To check if the object o is of type str, you would use the …
python - What encoding does open () use by default? - Stack Overflow
The default UTF-8 encoding of Python 3 only extends to conversions between bytes and str types. open() instead chooses an appropriate default encoding based on the environment: encoding is the …
python - How should I use the Optional type hint? - Stack Overflow
Side note: Unless your code only has to support Python 3.9 or newer, you want to avoid using the standard library container types in type hinting, as you can't say anything about what types they must …
search - Python: check for data type in list - Stack Overflow
No, you have to check every element of the list, or keep track of the types in and out of your list yourself. Python list objects have no knowledge of the types of the objects it contains. Note, the in operator …
How can I specify the function type in my type hints?
Jun 15, 2016 · How can I specify the type hint of a variable as a function type? There is no typing.Function, and I could not find anything in the relevant PEP, PEP 483.